{"id":5473,"date":"2025-07-24T10:25:18","date_gmt":"2025-07-24T10:25:18","guid":{"rendered":"https:\/\/scientificworld.org\/?p=5473"},"modified":"2025-07-24T10:25:22","modified_gmt":"2025-07-24T10:25:22","slug":"fluorine-grafted-polymer-electrolyte-boosts-performance-and-safety-in-lithium-metal-batteries","status":"publish","type":"post","link":"https:\/\/scientificworld.org\/?p=5473","title":{"rendered":"Fluorine-Grafted Polymer Electrolyte Boosts Performance and Safety in Lithium Metal Batteries"},"content":{"rendered":"\n<p>Researchers have developed a groundbreaking fluorine-grafted quasi-solid composite electrolyte (F-QSCE@30) that significantly enhances the performance and safety of lithium metal batteries. Published in&nbsp;<a href=\"http:\/\/dx.doi.org\/10.1007\/s40820-025-01738-9\"><em>Nano-Micro Letters<\/em><\/a>, this innovation achieves high ionic conductivity (1.21 mS cm\u207b\u00b9 at 25\u00b0C) and enables ultra-stable cycling, addressing key challenges like dendrite growth and electrolyte flammability. The study, led by Haitao Zhang and Xiaoyan Ji from Lule\u00e5 University of Technology and the Chinese Academy of Sciences, marks a major step toward safer, high-energy-density batteries.<\/p>\n\n\n\n<p>The new electrolyte, F-QSCE@30, leverages the inductive effect of fluorine atoms to weaken the coordination between lithium ions (Li\u207a) and TFSI\u207b anions, enhancing ion transport. This design also promotes the formation of a lithium fluoride (LiF)-rich solid electrolyte interphase (SEI), which improves stability and prevents dendrite formation. The electrolyte-maintained stability with lithium metal for over 4,000 hours and supported Ni-rich NCM622 full cells, retaining nearly 100% capacity after 350 cycles at 60\u00b0C.<\/p>\n\n\n\n<p>Key innovations include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Induction-Effect Engineering:<\/strong>\u00a0Fluorine atoms reduce Li\u207a\u2013polymer binding, lowering activation energy to 0.25 eV and accelerating ion transport.<\/li>\n\n\n\n<li><strong>Self-Armoring SEI:<\/strong>\u00a0Fluorinated segments decompose into LiF, creating a dense interphase that blocks further electrolyte degradation.<\/li>\n\n\n\n<li><strong>Scalable Production:<\/strong>\u00a0The one-step UV-cured fabrication process is compatible with existing manufacturing lines, making it practical for large-scale use.<\/li>\n<\/ul>\n\n\n\n<p>Dr. Haitao Zhang noted,\u00a0<em>&#8220;This electrolyte combines liquid-like conductivity with the safety of solid-state materials, paving the way for next-generation batteries.&#8221;<\/em><\/p>\n\n\n\n<p>F-QSCE@30 meets 2030 USABC targets for battery performance, offering a viable solution for electric vehicles and grid storage. Future research will explore applications in sodium- and zinc-metal batteries, further advancing energy storage technologies.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Researchers have developed a groundbreaking fluorine-grafted quasi-solid composite electrolyte (F-QSCE@30) that significantly enhances the performance and safety of lithium metal batteries. Published in&nbsp;Nano-Micro Letters, this innovation achieves high ionic conductivity (1.21 mS cm\u207b\u00b9 at 25\u00b0C) and enables ultra-stable cycling, addressing key challenges like dendrite growth and electrolyte flammability. The study, led by Haitao Zhang and [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2299,1143],"tags":[1422,3085,3086,1513,3087],"class_list":["post-5473","post","type-post","status-publish","format-standard","hentry","category-energy-storage","category-materials-science","tag-energy","tag-fluorine-grafted-polymer","tag-lithium-metal-batteries","tag-science-technology","tag-zinc-metal-batteries"],"_links":{"self":[{"href":"https:\/\/scientificworld.org\/index.php?rest_route=\/wp\/v2\/posts\/5473","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/scientificworld.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/scientificworld.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/scientificworld.org\/index.php?rest_route=\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/scientificworld.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5473"}],"version-history":[{"count":1,"href":"https:\/\/scientificworld.org\/index.php?rest_route=\/wp\/v2\/posts\/5473\/revisions"}],"predecessor-version":[{"id":5474,"href":"https:\/\/scientificworld.org\/index.php?rest_route=\/wp\/v2\/posts\/5473\/revisions\/5474"}],"wp:attachment":[{"href":"https:\/\/scientificworld.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5473"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/scientificworld.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5473"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/scientificworld.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5473"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}